280428 is an even 6-digits composite number following 280427
and preceding 280429 . In scientific notation, it is written as 2.80428 × 10^5.
The sum of its digits is 24. It has a total of 4 prime factors and 12 positive divisors.
There are 93472 positive integers (up to 280428) that are relatively prime to 280428.
280428 has 12 divisors, whose sum is 654360
The reverse of 280428 is 824082
Previous prime number is 3
Is Prime? no
Number parity even
Number length 6
Sum of Digits 24
Digital Root 6
Name
two hundred eighty thousand four hundred twenty-eight
Scientific notation
2.80428 × 10^5
Engineering notation
2.80428 × 10^3
Prime Factorization
2 × 2 × 3 × 23369
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
140214
Product of the distinct prime numbers
The prime factorization of 280428 is 2 × 2 × 3 × 23369.
Since it has a total of 4 prime factors.
4 , 4 , 84 , 14 , 636 , 125 , 1571 , 143 , 86563 , 51049 , 921840 , 299547 , 3723758 , 2430225 , 15187845 , 37164100 , 141660461 , 920077223 , 2744019690 , 2926974658
n×2
560856
n×3
841284
n×4
1121712
n×5
1402140
n÷2
140214
n÷3
93476
n÷3
70107
n÷5
56085.6
n2
78639863184
n3
22052819552962752
n4
6.1842280815982E+21
n5
1.7342307124664E+27
2 √n
529.55452977007
3 √n
65.454642957206
4 √n
23.012051837463
5 √n
12.290350684457
1 , 2 , 3 , 4 , 6 , 12 , 23369 , 46738 , 70107 , 93476 , 140214 , 280428
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-280427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 280428 can be divided by 12 positive divisors.
The sum of these divisors (counting 280428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000100011101101100
3
Ternary
112020200020
4
Quaternary
1010131230
5
Quinary
32433203
6
Senary
10002140
8
Octal
1043554
10
Decimal
280428
12
Duodecimal
116350
16
Hexadecimal
4476c
20
Vigesimal
1f118
36
Base36
60do
md5
f9889418169e6fdbfcaebf3aa6c3705c
sha1
b2a0b0b9f90290b9074ddc145589a295bb778eba
sha256
01799e85571a52297541e2de405533ea46cd66c101b8ca56b90b5939062f228f
sha512
4bd1261df623fe991f456a339593ababbc301f5e781557883fb564985caabafedc0bf0e6540a89f516993e05608091cded4f0963100d15d1d31b4ae0c13019ac
ripemd-160
b5fc79e15fe870aec5affbbf75e13a662f9c1221
Diameter
560856
Circumference
1761981.0893218
Area
247054416458.16
Volume
9.2374634531372E+16
Surface area
988217665832.64
Circumference
1761981.0893218
Perimeter
1121712
Area
78639863184
Diagonal
396585.08086916
Surface area
471839179104
Volume
22052819552962752
Space diagonal
485715.54386493
Perimeter
841284
Area
34052059633.738
Altitude
242857.77193246
Surface area
34052059633.738
Volume
2.5989497083639E+15
Height
132195.02695639